Zobrazeno 1 - 10
of 5 992
pro vyhledávání: '"Nuclear magnetic resonance – NMR"'
Autor:
Keeton H. Montgomery, Aya Elhabashy, Maria Del Carmen Reynoso Rivas, Gurreet Brar, V. V. Krishnan
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract Quality control plays a crucial role in maintaining the reputation of agricultural organizations by ensuring that their products meet the expected standards and preventing any loss during the packaging process. A significant responsibility o
Externí odkaz:
https://doaj.org/article/0cce8dd95a064d979008a161795b8db2
Publikováno v:
Zhongguo shuxue zazhi, Vol 37, Iss 9, Pp 986-990 (2024)
Objective To explore the therapeutic effect of autologous platelet-rich plasma (PRP) in the treatment of patellofemoral osteoarthritis (PFOA) based on the Magnetic Resonance Observation of Cartilage Repair Tissue 2.0 (MOCART 2.0) knee score system. M
Externí odkaz:
https://doaj.org/article/82872bbd08564bcb8ab8decfee798e88
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 9, Pp 3465-3484 (2024)
The unfrozen water content (UWC) is a crucial parameter that affects the strength and thermal properties of rocks in relation to engineering construction and geological disasters in cold regions. In this study, three different methods were employed t
Externí odkaz:
https://doaj.org/article/dd4f18fc6b5d4b67a7b3a1816b1c06a7
Publikováno v:
Fayixue Zazhi, Vol 40, Iss 4, Pp 340-351 (2024)
ObjectiveTo establish the structural confirmation methods of three suspected new psychoactive substances （NPSs）, and explore a more general qualitative testing method.MethodsInfrared absorption spectroscopy （IR）, gas chromatography-mass spect
Externí odkaz:
https://doaj.org/article/9d170c007d304376a5c45cfb66163708
Autor:
Md. Habibur Rahaman, Sara J. Thygesen, Michael J. Maxwell, Hyoyoung Kim, Prerna Mudai, Jeffrey D. Nanson, Xinying Jia, Parimala R. Vajjhala, Andrew Hedger, Irina Vetter, Thomas Haselhorst, Avril A. B. Robertson, Brian Dymock, Thomas Ve, Mehdi Mobli, Katryn J. Stacey, Bostjan Kobe
Publikováno v:
Journal of Enzyme Inhibition and Medicinal Chemistry, Vol 39, Iss 1 (2024)
AbstractToll-like receptor (TLR) innate immunity signalling protects against pathogens, but excessive or prolonged signalling contributes to a range of inflammatory conditions. Structural information on the TLR cytoplasmic TIR (Toll/interleukin-1 rec
Externí odkaz:
https://doaj.org/article/dcf8b7e19c924597be45dfa99851bf23
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
IntroductionWith the continuous development of exploration and development, tight sandstone reservoirs have become an essential field of oil and gas exploration. The tight sandstone reservoirs are characterized by complex lithology, poor pore structu
Externí odkaz:
https://doaj.org/article/3accc22535b1441eb548940a7eafb5a4
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 7, Pp 68-78 (2024)
With the accelerated development of surface well cementing technology, the engineering site has higher requirements for the early fluidity and coagulation performance of surface well cementing water slurry. In order to improve the top-off efficiency
Externí odkaz:
https://doaj.org/article/cdba7923667e4ade82272c92eaf39f45
Autor:
Ahmad Telfah, Z. Charifi, N. latelli, Issam A. Qattan, H. Baaziz, Qais M. Al-Bataineh, A. M. Alsaad, R. F. Sabirianov
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This study employs ab initio calculations based on density functional theory (DFT) to investigate the structural properties, 1H-NMR spectra, and vibrational spectra of methane sulfonic acid (MSA) at low degree of hydration. The findings reve
Externí odkaz:
https://doaj.org/article/fa27186e19e04d619db6349620a69874
Autor:
Megan Matthews, Albert van Reenen
Publikováno v:
Macromolecular Materials and Engineering, Vol 309, Iss 8, Pp n/a-n/a (2024)
Abstract The recycling of polyolefins for multiple life cycles is becoming a legislative requirement in the South African plastics industry. This study shows that this cannot be a blanket requirement for all polyolefins. While HDPE displays good resi
Externí odkaz:
https://doaj.org/article/82a123823e3848038f72b6ca3d9b87fb
Publikováno v:
Energy Geoscience, Vol 5, Iss 3, Pp 100270- (2024)
Porosity, a key parameter in assessing the physical properties of shale reservoirs and the reserves, is of great significance to the selection and evaluation of shale sweet spots. There are many methods at present to characterize shale porosity, most
Externí odkaz:
https://doaj.org/article/3b00123c1a294d8e8bb2c36ff948bd95